From 35e0b27364c2fda7faa22d9e1c335b7f7a8fa10b Mon Sep 17 00:00:00 2001
From: lukas <lukas.fricke@transtitut.org>
Date: Wed, 5 Feb 2025 14:03:27 +0100
Subject: [PATCH] change actino bacteria volume calculation

---
 observe_main.html | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/observe_main.html b/observe_main.html
index 925ee84..a5170b0 100644
--- a/observe_main.html
+++ b/observe_main.html
@@ -807,7 +807,9 @@
               Math.pow((item.width*real_width_FoV),2.0)*Math.PI/4.0;
             break
           case "Actinobacteria":
-            total.Actinobacteria += item.length*real_width_FoV;
+            // the diameter is estimated to always be 1 um.
+            // A is the (D=1)²/4*pi = pi/4
+            total.Actinobacteria += item.length*real_width_FoV*Math.PI/4.0;
             break
           case "Flagelate":
             total.Flagelate +=1;